Git commits in Moodle 3.0.6 by Juan Leyva

commit c7ae332304f37223eda7be0f02fbd2b7040afde4
Author: Juan Leyva <juanleyvadelgado@gmail.com>
Date:   Thu, 14 Jul 2016 16:10:07 +0800
Tag:    v3.0.6

MDL-55220 forum: Add string filtering in WS


commit d80dbeb28971d17b5d1c188757b807bdfa7b34d2
Author: Juan Leyva <juanleyvadelgado@gmail.com>
Date:   Mon, 11 Jul 2016 19:06:40 +0800
Tag:    v3.0.6

MDL-49026 webservice: Remove tokens on password change


commit 39e110d14530389f0395f8ae828c729c509c6589
Author: Juan Leyva <juanleyvadelgado@gmail.com>
Date:   Fri, 08 Jul 2016 20:29:39 +0800
Tag:    v3.0.6

MDL-55163 mod_assign: Fix mod_assign_copy_previous_attempts


commit 66efea063b15f381e332ce2c0f661bb21075a67c
Author: Juan Leyva <juanleyvadelgado@gmail.com>
Date:   Tue, 05 Jul 2016 16:50:32 +0800
Tag:    v3.0.6

MDL-55128 course: Fix param type for shortname